4.0
(145)
1,100
riders
42
rides
Gravel biking around Ihrlerstein offers routes through the diverse landscapes of the Altmühltal Nature Park and along the Danube River. The region is characterized by rolling hills, river valleys, and sections of the Jura Cliffs, providing varied terrain for gravel riders. Paths often traverse agricultural lands, woodlands, and riverside trails, connecting villages and historical sites. The area features a mix of surfaces suitable for gravel bikes, from compacted dirt roads to paved sections.
Last updated: October 19, 2026
2.5
(2)
25
riders
54.5km
04:23
670m
670m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
2.5
(2)
24
riders
53.0km
03:23
710m
710m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

4.2
(26)
179
riders
34.3km
01:43
140m
140m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.5
(19)
188
riders
66.7km
03:21
200m
200m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(5)
32
riders
52.4km
02:49
370m
370m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
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Unfortunately, the Old Weir is closed and cannot be crossed 🤷♂️
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Ludwigsplatz is the pulsating heart of the old town of Kelheim. It is not only the central market square, but also a place where the eventful history of the Wittelsbach city is concentrated in a confined space.
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Exciting section of the Altmühltal cycle path in the Altmühltal nature park. Here you cycle between high rock faces, juniper bushes and the Altmühl river.
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Cycling through nature – that's what makes a bike tour so special.
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Beautiful view of Riedenburg
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Hexenagger Castle A Dietricus von Haecsenakker is mentioned as early as 928 in a Regensburg document from the St. Emmeram Monastery; further information is scarce. In 1311, Gottfried Hexenacker became Bishop of Freising. He had studied in Bologna and served as dean of the cathedral there for many years. In 1314, he died of an infectious disease while on a tour of inspection in Vienna. In 1485, the castle passed through marriage to the Counts of Helfenstein, who sold the fortress to Duke William of Bavaria in 1528. He gave Hexenagger to the Muggenthal family as a fief. When the castle was destroyed in the Thirty Years' War, the Muggenthal family rebuilt it as a castle. In 1724, the castle was sold to the Bavarian Elector Charles Albert, as the Hexenagger line of the Muggenthal family had died out. In 1731, Elector Karl Albrecht donated the castle to his mistress, Maria Josepha Countess von Morawitzky. Her husband received the castle in 1738, and when he died in 1754, Anton von Kaiserstein became the new owner. Franz Joseph III von Kaiserstein (1792–1893) sold the castle in 1830 and acquired an estate in Sooß (Lower Austria) in exchange. From 1830 to 1951, Hexenagger Castle belonged to the noble family of Weidenbach. Otto Edler von Weidenbach bequeathed it to his niece Ilse von Kalckreuth, who married Wilhelm Leichtfuß, whose son, Eberhard Leichtfuß, owns it today. Hexenagger is a castle between the Renaissance and Baroque periods, built on the foundations of the old castle. In the lower areas and at the corners, ashlars and bossed ashlars, up to several meters high, are still visible on the castle building. The stump of the keep, made of bossed ashlar, is also said to have been preserved, but is not visible from the outside. The defensive character of the complex is best appreciated from the rear, where parts of the curtain wall and wall towers have been preserved. The tall, narrow chapel also still hints at the castle in its form; particularly interesting is the slender, slightly leaning bell tower, which appears to still sit on the older foundations of the medieval chapel tower. The main building itself, with its stepped gable and beautiful garden, presents a romantic sight. The castle is privately owned and not open to the public; the popular Christmas market was relocated to the Wolfgangshof estate near Zirndorf in Middle Franconia in 2023 due to complaints from local residents. Source: www.Burgenseite.de / www.wikipedia.de
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A special structure and a testament to elaborate architecture.
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There are over 60 gravel bike routes around Ihrlerstein, offering a wide range of options for different skill levels and preferences. These routes explore the diverse landscapes of the Altmühltal Nature Park and the Danube River region.
Yes, Ihrlerstein offers several easy gravel bike trails perfect for beginners or those looking for a relaxed ride. For example, the Essing Village and Cliffs – Essing Bridge Gatehouse loop from Kelheim is an easy 17 km route that provides a gentle introduction to the area's gravel paths.
The terrain around Ihrlerstein is varied, featuring rolling hills, river valleys, and sections along the Jura Cliffs. You'll encounter a mix of surfaces, including compacted dirt roads, forest paths, and some paved sections, traversing agricultural lands, woodlands, and riverside trails.
For families, routes with less elevation and smoother surfaces are ideal. The easy routes, such as the View of Prunn Castle – Prunn Castle photo spot loop from Kelheim, which is 35.2 km, offer a good balance of scenic beauty and manageable difficulty for a family outing.
Spring and autumn generally offer the most pleasant conditions for gravel biking in Ihrlerstein, with mild temperatures and beautiful scenery. Summer can be great, but it's advisable to start early to avoid the midday heat. Winter riding is possible, but be prepared for colder temperatures and potentially muddy or icy sections, especially in shaded areas.
Many of the gravel bike routes in Ihrlerstein are designed as loops, allowing you to start and end at the same point. An example is the Danube Cycle Path – View of the Jura Cliffs loop from Ihrlerstein (VGem), a moderate 47.5 km route that takes you through river valleys and past the Jura Cliffs.
Ihrlerstein's gravel trails often lead to stunning natural attractions. You can enjoy views of Prunn Castle, explore the dramatic Danube Gorge (Weltenburg Narrows), or discover unique formations like the Beehive Rock Formation. There are also several caves in the region, such as the Klösterl Hermitage and Cave Church.
The gravel biking experience in Ihrlerstein is highly rated by the komoot community, with an average score of 4.7 stars from over 280 reviews. Riders often praise the diverse landscapes, the mix of challenging and easy sections, and the scenic beauty of the Altmühltal Nature Park and Danube River areas.
Yes, experienced riders will find plenty of challenging options. Routes like Between Altmühl and Danube - Graveling in the Altmühltal Nature Park, a difficult 54.5 km trail, offer significant elevation gains and varied terrain to test your skills.
Many routes pass through or near charming villages and towns where you can find cafes, pubs, and restaurants to refuel. The region is known for its hospitality, and you'll often find opportunities to stop for refreshments along the way, especially in places like Kelheim or Riedenburg.
Gravel bike trails in Ihrlerstein vary significantly in distance. You can find shorter, easy routes around 17 km, such as the Essing Village and Cliffs – Essing Bridge Gatehouse loop from Kelheim, up to longer, more challenging rides exceeding 50 km, like the Riedenburg Old Town – Prunn Castle photo spot loop from Kelheim, which is 52.8 km.


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